Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4845682 | Interference avoidance device for use in a sensor system | Robert W. Mayer | 1989-07-04 |
| 4682153 | Fail-safe sensor system | Robert W. Mayer, Alan J. Kumasaka, Paul Richard Strelecki, Paul F. Lindlau | 1987-07-21 |
| 4463398 | Intrinsically safe pilot light | Terry E. Franks, Richard C. Rothweiler | 1984-07-31 |